proxy/middlewares.go

package proxy

import (
	"log"
	"net/http"
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/limiter"
)

// Middleware untuk logging setiap request
func LoggingMiddleware(c *fiber.Ctx) error {
	start := time.Now()
	err := c.Next()
	log.Printf("[%s] %s %s - %d %s in %v", time.Now().Format("2006-01-02 15:04:05"), c.Method(), c.Path(), c.Response().StatusCode(), http.StatusText(c.Response().StatusCode()), time.Since(start))
	return err
}

// Middleware rate limiter: 200 requests per menit per IP
func RateLimiter() func(*fiber.Ctx) error {
	return limiter.New(limiter.Config{
		Max:        200,
		Expiration: 1 * time.Minute,
		KeyGenerator: func(c *fiber.Ctx) string {
			return c.IP()
		},
		LimitReached: func(c *fiber.Ctx) error {
			return c.Status(http.StatusTooManyRequests).JSON(fiber.Map{
				"error": "Rate limit exceeded",
			})
		},
	})
}